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  • Lepidoptera  (5)
  • cimetidine  (5)
  • Endoplasmic reticulum  (4)
  • Bone
  • Springer  (17)
  • 1980-1984  (17)
  • 1984  (17)
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Keywords
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  • Springer  (17)
Years
  • 1980-1984  (17)
Year
  • 11
    Electronic Resource
    Electronic Resource
    Attraction of male spruce budworm moths,Choristoneura fumiferana (Clemens), to pheromone-baited traps in small-tree thinnings (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 125-133 
    Details
    ISSN: 1573-1561
    Keywords: Spruce budworm ; Choristoneura fumiferana ; Lepidoptera ; Tortricidae ; sex pheromone ; small-tree thinnings ; temperature ; precipitation ; wind ; attraction distance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Mean catches of spruce budworm,Choristoneura fumiferana (Clemens), moths were not significantly different among four small-tree thinning treatments of young spruce-fir-hemlock regeneration. Significant inverse relationships were found between trap catches and distances to nearby spruce-fir-hemlock overstory. Prevailing wind directions indicated that moths were attracted anemotactically to upwind pheromone sources. No definite trends were detected between catches and temperature or precipitation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987649
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  • 12
    Electronic Resource
    Electronic Resource
    Diurnal variations in myeloid bodies of the newt retinal pigment epithelium (1984)
    Springer
    Cell & tissue research 235 (1984), S. 177-186 
    Details
    ISSN: 1432-0878
    Keywords: Retinal pigment epithelium ; Myeloid bodies ; Diurnal variation ; Morphometrics ; Ultrastructure ; Lipid metabolism ; Endoplasmic reticulum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Myeloid bodies (MBs) occur in the newt (Notophthalmus viridescens) retinal pigment epithelium (RPE) and are similar to areas of specialized endoplasmic reticulum found in a variety of other cell types. The function of these structures is unknown, although a role in lipid metabolism has been strongly suggested. Random samples from conventionally-fixed and sectioned newt RPE, obtained over a 24-hr cycle (LD 12∶12), were examined by electron microscopy. Myeloid bodies appear as stacks of flattened endoplasmic reticulum-associated saccules which increase in length and number as the RPE accumulates shed outer segment material, prior to increase in the amount of stored lipid. Associations of MBs with the nuclear envelope can be related to this increased length. Myeloid bodies decrease numerically in the cell as phagosomes are removed from the cytoplasm, but a decrease in mean sectional MB area, seen in the light phase, is counteracted in darkness where individual MBs are larger than those found in the light. The total sectional area of MBs within a cell and their mean length varied depending on the lighting condition; differences were also found between eyes after extended periods of continuous light and dark. Ribosomes were found in association with the surfaces of both flattened and circular MBs, but they were consistently more densely associated with the shorter concave surfaces of curved regions. A new hypothesis for MB function is presented, which is concerned with their role in isolating toxic lipids such as retinoids, which are accumulated during phagocytosis of shed outer segment tips, and which are capable of disrupting membrane-bound systems necessary for their eventual metabolism and safe storage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00213738
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  • 13
    Electronic Resource
    Electronic Resource
    Distribution of golgi apparatus-associated polyribosomes across the polarity axis of dictyosomes of wild carrot (Daucus carota L.) (1984)
    Springer
    Protoplasma 123 (1984), S. 221-225 
    Details
    ISSN: 1615-6102
    Keywords: Golgi apparatus ; Endoplasmic reticulum ; Polyribosomes ; Golgi apparatus-associated polyribosomes ; Wild carrot (Daucus carota)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Endoplasmic reticulum-polyribosome-Golgi apparatus associations were a general feature of cells of suspension cultures of wild carrot (Daucus carota L.). Free polyribosomes occurred within the Golgi apparatus zone for all dictyosomes and with equal frequency at all levels within the stack including the most mature or trans face. When evaluated and quantified from electron micrographs, approximately 60% of the dictyosome profiles were characterized by a system of transition elements consisting of part smooth-part rough endoplasmic reticulum. These were encountered most frequently in the immediate vicinity of the immature, forming or cis face, usually toward the periphery of the stacked cisternae. Analysis of serial sections showed that those dictyosome profiles not exhibiting this characteristic did so primarily because of an unfavorable plane of sectioning. All dictyosomes examined in 5 or more serial sections revealed some type of close association with endoplasmic reticulum. Some of the associations were so close that direct connections between Golgi apparatus and endoplasmic reticulum tubules could not be excluded. Also present, especially at the forming or cis face, were small 600 nm transition vesicles with nap-like surface coats on nearly 90% of the dictyosomes examined. More than 50% exhibited spiny (clathrin-)coated vesicles at the mature or trans face.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01281169
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  • 14
    Electronic Resource
    Electronic Resource
    Fractionation of suspension cultures of wild carrot and kinetics of membrane labeling (1984)
    Springer
    Protoplasma 123 (1984), S. 213-220 
    Details
    ISSN: 1615-6102
    Keywords: Carrot suspension cultures ; Dictyosomes ; Endoplasmic reticulum ; Golgi apparatus ; Membrane biogenesis ; Plasma membrane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Wild carrot (Daucus carota L.) cells, grown in suspension culture, were labeled with radioactive precursors and fractionated into constituent membranes to be analyzed for specific radioactivity. Results show rapid incorporation of [3H] leucine into endoplasmic reticulum (ER)-, Golgi apparatus-, and plasma membrane/tonoplast-enriched fractions. The time lag between incorporation into ER and its appearance in Golgi apparatus or plasma membrane/tonoplast were less than 5 minutes. With an average time of 3–4 minutes for cisternal formation estimated from studies with monensin, and an average of 5 cisternae per dictyosome (total transit time of 15–20 minutes), it was not possible to account for early incorporation of radioactivity into plasma membranes by passage of proteins from ER to plasma membrane via the Golgi apparatus. To account for the findings, it would appear that at least some proteins were delivered to the plasma membrane via the first membranes that exited (i.e., mature face vesicles) from the Golgi apparatus post-pulse and that some of these proteins had been translated and inserted into membranes at or near the mature face of the Golgi apparatus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01281168
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  • 15
    Electronic Resource
    Electronic Resource
    Novel sex pheromone components from the fall cankerworm moth,Alsophila pometaria (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 463-473 
    Details
    ISSN: 1573-1561
    Keywords: Alsophila pometaria (Harris) ; fall cankerworm ; Lepidoptera ; Geometridae ; sex pheromone ; (Z,Z,Z)-3,6,9-nonadecatriene ; (Z,Z,Z,E)-3,6,9,11-nonadecatetraene ; (Z,Z,Z,Z)-3,6,9,11-nonadecatetraene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A sex pheromone extract from fall cankerworm moths,Alsophila pometaria, attracted conspecific males in field tests. Four EAG-active components were isolated from the extract and identified by GC-MS, highfield PMR spectroscopy, and microchemical techniques asn-nonadecane (I), (Z,Z,Z)-3,6,9-nonadecatriene (II), (Z,Z,Z,E)-3,6,9,11-nonadecatetraene (III), and (Z,Z,Z,Z)-3,6,9,11-nonadecatetrane (IV). Studies of the behavioral responses of male moths in a flight tunnel to the isolated components showed II, III, and IV were the major components of the sex pheromone. No sex pheromone behavioral responses were observed for I.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988092
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  • 16
    Electronic Resource
    Electronic Resource
    Sex pheromone of a conifer-feeding budworm,Choristoneura retiniana, Walsingham (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 153-160 
    Details
    ISSN: 1573-1561
    Keywords: Choristoneura retiniana ; Lepidoptera ; Tortricidae ; sex pheromone ; sex attractant ; forset insects ; Tortricidae ; insect behavior ; E- andZ-11-tetradecenyl acetates ; E- andZ-11-tetradecenol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Sex pheromone components collected from femaleChristoneura retiniana included 11-tetradecenyl acetates and alcohols. The major component wasE-11-tetradecenyl acetate (E11–14∶Ac) with a lesser amount ofZ isomer necessary to induce male response. A 92∶8 ratio ofE,Z11–14∶ Ac appeared optimal. The alcohol component was present at about 10% of the total pheromone mixture, and traps baited with acetates plus alcohol surpassed unmated females in their degree of attractiveness. Chemical analysis indicated a 9∶:1 ratio of theE — Z isomers of 11-tetradecenyl alcohol (11–14∶ol) pheromone components, although bait formulations containing a predominance of either theE orZ isomers were equally successful in field bioassays. Based on male response to traps,E- andZ11–14∶Ac (92∶8E — Z) are essential pheromone components for long-range sex attraction. The 11–14∶ ol enhanced attraction when added at 10% of the total pheromone blend.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987652
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  • 17
    Electronic Resource
    Electronic Resource
    Sex pheromone components of fall cankerworm moth,Alsophila pometaria (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 1579-1596 
    Details
    ISSN: 1573-1561
    Keywords: Alsophila pometaria(Harris) ; fall cankerworm ; Lepidoptera ; Geometridae ; sex pheromone ; (Z,Z,Z,E)-3,6,9,11-nonadecatetraene ; (Z,Z,Z,Z)-3,6,9,11-nonadecatetraene ; (Z,Z,Z)-3,6,9-nonadecatriene ; synthesis ; hydrocarbons
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract (Z,Z,Z,E)-3,6,9,11-Nonadecatetraene and (Z,Z,Z,Z)-3,6,9,11-nonadecatetraene, sex pheromone components ofAlsophila pometaria, were synthesized by stereoselective Wittig reactions and found to be spectroscopically and chromatographically identical to isolated natural material. Flight-tunnel bioassays and field-trapping experiments confirmed that the two tetraenes together with (Z,Z,Z)-3,6,9-nonadecatriene are sex pheromone components. While traps baited with either tetraene individually captured conspecific males in field-trapping experiments, addition of the triene, which captured no males by itself, to either tetraene resulted in synergistic responses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988426
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